Milk frother



FIG. 1 is a perspective view of a milk frother.

FIG. 2 is a front view of the milk frother.

FIG. 3 is a back view of the milk frother.

FIG. 4 is a side view of the milk frother; the opposite side being a mirror image thereof; and,

FIG. 5 is a top view of the milk frother.

A bottom view of the milk frother is not shown and forms no part of the claimed design. 

CLAIM The ornamental design for a milk frother, as shown and described. 